Defending your home against the invisible threat of flying embers

How To Harden Your Home | Ask This Old House · 7:32 · Video: This Old House · Watch at the source

In short: Wildfires don't just burn down houses; they often destroy them from the inside out using tiny, airborne sparks. This video demonstrates how to strategically harden a home's exterior to block these embers and survive a wildfire.

General contractor Tom Silva joins a fire-hardening specialist to transform a home in a high-risk wildfire zone. The project focuses on critical vulnerabilities where flying embers can enter a structure to ignite interior materials.

Key improvements include installing specialized vents, gutter guards, and screening. These modifications create a physical barrier against heat and debris, illustrating how specific architectural adjustments can preserve a home's integrity during a fire.

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